Before nitrogenous wastes are excreted in

urine, they are converted first to ___ and then
to ___.



a. urea--ammonia
b. ammonia--urea
c. glycogen--monosaccharides
d. glycerin--fatty acids
e. glyerin--urea


A

Biology & Microbiology

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The Ames test ________.

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Williams syndrome

What will be an ideal response?

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